Sync things between characters on same account

modules/mod-account-achievements/.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

modules/mod-account-achievements/.gitignore

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+reset.sh

modules/mod-account-achievements/README.md

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+# ![logo](https://raw.githubusercontent.com/azerothcore/azerothcore.github.io/master/images/logo-github.png) AzerothCore
+## mod-account-achievements
+- Latest build status with azerothcore: [![Build Status](https://github.com/azerothcore/mod-account-achievements/workflows/core-build/badge.svg?branch=master&event=push)](https://github.com/azerothcore/mod-account-achievements)
+
+# Account Achievements module for AzerothCore.
+
+Share your characters achievements to all on your account.
+
+# Original script:
+http://www.ac-web.org/forums/showthread.php?223586-Account-Bound-Achievements

modules/mod-account-achievements/conf/mod_achievements.conf.dist

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+[worldserver]
+
+###################################################################################################
+#	Account Achievements module
+###################################################################################################
+
+# Enable the module? (1: true | 0: false)
+
+Account.Achievements.Enable = 1
+
+# Announce the module when the player logs in?
+
+Account.Achievements.Announce = 1

modules/mod-account-achievements/src/achievements_loader.cpp

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+void AddAccountAchievementsScripts();
+
+void Addmod_account_achievementsScripts()
+{
+	AddAccountAchievementsScripts();
+}

modules/mod-account-achievements/src/mod_achievements.cpp

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+/*
+<--------------------------------------------------------------------------->
+- Developer(s): Lille Carl, Grim/Render
+- Complete: %100
+- ScriptName: 'AccountAchievements'
+- Comment: Tested and Works.
+- Orginial Creator: Lille Carl
+- Edited: Render/Grim
+<--------------------------------------------------------------------------->
+*/
+
+#include "Config.h"
+#include "ScriptMgr.h"
+#include "Chat.h"
+#include "Player.h"
+
+class AccountAchievements : public PlayerScript
+{
+	static const bool limitrace = true; // This set to true will only achievements from chars on the same team, do what you want. NOT RECOMMANDED TO BE CHANGED!!!
+	static const bool limitlevel = false; // This checks the player's level and will only add achievements to players of that level.
+	int minlevel = 80; // It's set to players of the level 60. Requires limitlevel to be set to true.
+	int setlevel = 1; // Dont Change
+
+public:
+	AccountAchievements() : PlayerScript("AccountAchievements") { }
+
+	void OnLogin(Player* pPlayer)
+	{
+		if (sConfigMgr->GetOption<bool>("Account.Achievements.Enable", true))
+        {
+			if (sConfigMgr->GetOption<bool>("Account.Achievements.Announce", true))
+            {
+                ChatHandler(pPlayer->GetSession()).SendSysMessage("This server is running the |cff4CFF00AccountAchievements |rmodule.");
+            }
+
+			std::vector<uint32> Guids;
+			QueryResult result1 = CharacterDatabase.Query("SELECT guid, race FROM characters WHERE account = {}", pPlayer->GetSession()->GetAccountId());
+			if (!result1)
+				return;
+
+			do
+			{
+				Field* fields = result1->Fetch();
+
+				uint32 race = fields[1].Get<uint8>();
+
+				if ((Player::TeamIdForRace(race) == Player::TeamIdForRace(pPlayer->getRace())) || !limitrace)
+					Guids.push_back(result1->Fetch()[0].Get<uint32>());
+
+			} while (result1->NextRow());
+
+			std::vector<uint32> Achievement;
+
+			for (auto& i : Guids)
+			{
+				QueryResult result2 = CharacterDatabase.Query("SELECT achievement FROM character_achievement WHERE guid = {}", i);
+				if (!result2)
+					continue;
+
+				do
+				{
+					Achievement.push_back(result2->Fetch()[0].Get<uint32>());
+				} while (result2->NextRow());
+			}
+
+			for (auto& i : Achievement)
+			{
+				auto sAchievement = sAchievementStore.LookupEntry(i);
+					AddAchievements(pPlayer, sAchievement->ID);
+			}
+		}
+	}
+
+	void AddAchievements(Player* player, uint32 AchievementID)
+	{
+		if (sConfigMgr->GetOption<bool>("Account.Achievements.Enable", true))
+        {
+			if (limitlevel)
+				setlevel = minlevel;
+
+			if (player->GetLevel() >= setlevel)
+				player->CompletedAchievement(sAchievementStore.LookupEntry(AchievementID));
+		}
+	}
+};
+
+void AddAccountAchievementsScripts()
+{
+	new AccountAchievements;
+}